Ravicti Side Effects
Generic Name: glycerol phenylbutyrate
Note: This page contains side effects data for the generic drug glycerol phenylbutyrate. It is possible that some of the dosage forms included below may not apply to the brand name Ravicti.
Common side effects of Ravicti include: nausea, vomiting, dizziness, headache, and fatigue. See below for a comprehensive list of adverse effects.
For the Consumer
Applies to glycerol phenylbutyrate: oral solution
As well as its needed effects, glycerol phenylbutyrate (the active ingredient contained in Ravicti) may cause unwanted side effects that require medical attention.
If any of the following side effects occur while taking glycerol phenylbutyrate, check with your doctor immediately:More common
- Continuing nausea or vomiting
- increase in the frequency of seizures
- loss of appetite
- swelling of the face
- tiredness and weakness
Some glycerol phenylbutyrate side effects may not need any medical attention. As your body gets used to the medicine these side effects may disappear. Your health care professional may be able to help you prevent or reduce these side effects, but do check with them if any of the following side effects continue, or if you are concerned about them:More common
- Bloated or full feeling
- excess air or gas in the stomach or intestines
- passing gas
- upper abdominal or stomach pain
- Acid or sour stomach
- stomach discomfort or upset
For Healthcare Professionals
Applies to glycerol phenylbutyrate: oral liquid
The most frequently reported side effects included diarrhea, flatulence, and headache.[Ref]
Very common (10% or more): Headache (14%), dizziness[Ref]
Very common (10% or more): Diarrhea (16%), flatulence (14%), upper abdominal pain (pediatric patients), nausea , vomiting
Common (1% to 10%): Abdominal pain (adults) dyspepsia[Ref]
Very Common (10% or more): Decreased appetite, hyperammonemia[Ref]
Common (1% to 10%): Fatigue[Ref]
Very common (10% or more): Rash (pediatric patients)[Ref]
1. "Product Information. Ravicti (glycerol phenylbutyrate)." Hyperion Therapeutics Inc, South San Francisco, CA.
It is possible that some side effects of Ravicti may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.
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